Where is Qiantang River?

Photo: 20 12. 10. 1 photo by Wang Feiqing.

There are three most famous tidal bore in the history of China: Qingzhou Tide, Guanglingtao Tide and qiantang bore Tide.

Clear fees (1664-? "Argument on Guangling Pottery" says: "The tide surged in Shandong in the Spring and Autumn Period, and Guangling flourished in the Han and Six Dynasties. After the Tang and Song Dynasties, the tides in Zhejiang rose and fell, and the atmosphere was from north to south, and people of insight. "

Qiantang hole appeared later than Guangling pottery and was formed at the latest in the Eastern Han Dynasty. Wang Chong's Lun Heng Xu Shu mentioned that "Zhejiang, Henan and Shangyu rivers all have their own paths". He also said that Qiantang Zhejiang "all set up Zixu Temple to comfort their grievances and stop their violent waves". However, Wang Chong only said that "there are pottery in Qujiang, Guangling, and literati endowed it", but did not say that Qiantang River was endowed with tide. It can be seen that in the Eastern Han Dynasty, the fame of Qiantang Hole was far less than that of Guanglingtao. It is estimated that the custom of watching tide in Qiantang was also formed at that time.

On August 16, CCTV broadcasted the cause of the first wave in Haining, Qian Jiangchao.

The spectacular Qian Jiangchao is not only influenced by the gravity of the moon and the sun, but also related to the trumpet-shaped mouth of Qiantang River. Nearly 500,000 mu of land was reclaimed to the east of Zheshan Mountain on the south bank of Qiantang River, which blocked the estuary like a peninsula, making the section from Zheshan Mountain to Qiantang River 12 like a small belly bottle, which is easy to retreat when the tide rises. The width of the outer mouth of Hangzhou Bay is 100 km, which is only a few kilometers away from the outer 12 section. The riverbed in the eastern part of the estuary suddenly rises and the beach is shallow. When a large number of tides flood in from the mouth of Qiantang River, it is difficult for the river to retreat because of the rapid contraction of the river surface. Secondly, it is related to the excessive sediment deposition under the Qiantang River. Sediment blocks and rubs the tidal current, making the front slope of the tidal current steep and gentle, thus forming a wave to catch up with the previous wave, wave after wave, and wave after wave.

Characteristics of Qiantang hole

Cross tide

55 kilometers away from Hangzhou Bay, there is a place called Daguan, which is an excellent place to watch the tide. Due to the long-term deposition of sediment, a sandbar is formed in the river channel, which divides the tidal wave from Hangzhou Bay into two waves: the east tide and the south tide. After bypassing the sandbar, the two tidal heads crossed and embraced like two brothers, forming a varied and spectacular cross tide, showing a spectacular scene of "thunder gathering on the sea and waterfalls crossing the river". At the moment when the two tides collided, a water column was stirred up, which was as high as several feet, splashing and stirring. By the time the water column fell back into the river, there were already two tidal heads on the river, which were cross-shaped and quickly ran west. At the same time, the intersection moved northward like an avalanche, hitting the straight seawall, causing huge splash and landing on the top of the pond, scaring tide watchers to scream and avoid.

Yixianchao

After seeing the tide crossing in the Great Gorge, I suggest you drive to Yan Guan as soon as possible and wait for the first tide. No tide shadow, smell the tide first. There was a loud noise in my ear, and the river remained calm. The noise is getting louder and louder, like drumming on all sides, which is deafening. In the distance, a white line appeared on the foggy river, which moved rapidly to the west, just like "Pingchuan crossing the river, Changpingsha starting from Bai Hong". Closer, the white line becomes a water retaining wall and gradually rises. "If you want to know how high the tide is, you must cross the mountains and waves first." With the rapid advance of a white wall, the tidal bore came to our eyes. With the trend of Ma Benteng, the power of thunder was unstoppable.

The first-line tide is not unique to salt officials. Where the river is straight and there is no sand, the tides are all on the same line, but it is not as good as the salt official. The reason is that the position of Yan Guan not far from the upstream and the width of the river channel shrink sharply, and the east and south tides just meet in a straight line, and the tidal level energy is concentrated, and the tidal range is particularly large, usually 1-2 meters, sometimes reaching more than 3 meters. Magnificent and spectacular tidal scene.

Huitouchao

The tide in the upper reaches of Yanguan will reach the next tidal spot, Laoyancang. The geographical environment of the old salt warehouse is different from that of Yan Guan, where the river is straight and the tidal bore advances westward without any obstacles. For the purpose of reclamation and seawall protection, a 660-meter-long groin was built on the river course of the old salt warehouse. After encountering obstacles, the roaring tide will be reflected back, where it will violently hit the opposite dam, and then turn back with the tide of Mount Tai and fall on the rapids moving westward, forming a row of "snow mountains".

The spring tide of Qiantang River is magnificent during the day and poetic at night. Watching the tide is a kind of enjoyment, and listening to the tide is a daydream. No wonder some people say that "the Qiantang national ceremony is not enough to see the hipsters until they are bald."

Midnight tide

At midnight, there was a faint rustle on the river and the tide was rising. On the foggy water, there is a piece of melanin floating intermittently. After a while, the sound suddenly increased, and the tide came with a thunderous thunder, smashing the moonlight of the whole river into silver. The tide is like tens of millions of gray-maned horses pushing, biting and spitting, and rushing straight down the pond, like hundreds of thousands of troops in Enemy at the Gates. Wave guidance before tidal bore

The back waves push the front waves, forming a pile of towering tidal peaks on the river surface, and the waves are as high as the sky, as if rushing to the bright moon for nine days. At this time, many tourists threw bonfires and reed flowers into the river to express their good wishes with Percy.

The best place to watch the midnight tide of 100,000 troops is in the area of Tianfeng Haitao Pavilion, which is the scene of "enjoying the moon in the wind". Its romantic and unique mood attracts a large number of tourists. Su Dongpo, a poet in the Northern Song Dynasty, also wrote such a poem: "I know that the Jade Rabbit is round, and it has been frosted in September; The message is to close the door and turn off the key, so that you can see it in the tide at night.

T-tide

Two tides form a "D", and we don't know how to form such a spectacle. The cause of "T-tide" remains to be studied.